<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

<!--
   上传的方式是post
   enctype的格式必须是：multipart/form-data
 -->
<form action="http://localhost:9000/file/myUpload" method="post" enctype="multipart/form-data">
    文件：<input type="file" name="myFile">
    <input type="submit" value="上传">
</form>

<img src="http://localhost:9000/file/fastDownload/1" alt="">
<img src="http://localhost:9000/file/fastDownload/7" alt="">

<a href="http://localhost:9000/file/fastDownload/9">下载</a>

</body>
</html>